Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

Why do we use string?

1043

Which is faster string or stringbuilder?

927

What is %d in printf?

1040

What are parsing rules?

994

What are the different types of constructor?

995

What is the synonym of string?

1095

What is the difference between integer parseint and integer valueof?

1000

What is the use of coding?

967

What are functions in java?

950

What is java and its types?

1094

What is difference between ++ I and I ++ in java?

975

what is predefined function in java?

982

What is t in generics in java?

1069

What is e java?

1102

What are inbuilt functions in java?

1086

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is the use of default method in interface in java?

1009

Is string pool garbage collected?

1017

Can we create more than one object singleton class?

1038

Give us the name of the list layoutmanagers in java?

927

Describe 2 different ways to concatenate two strings.

1202

What is difference between overloading and overriding in java?

1027

Is void a wrapper class?

946

How many types of assembly languages are there?

972

What is the difference between this() and super() in java?

1045

Why is string builder not thread safe?

1063

Why char array is favored over string for the storage of passwords?

1078

what is server side caching?

2174

What is output buffer?

1052

What is the use of string and stringbuffer?

982

Is array passed by reference in java?

1027

For More Un-Answered { Core Java } Questions Click Here